That is good information! I did not know this.for those of us who have the Amex platinum card it will continue to be the better return on both metro and shell since the earn rate for anything food and travel related is 1 mile/ $5 spent which means 5 miles per $25, Mastercard will now be 5 miles for $25. The bigger change comes when you spend an amount not divisible by 25 - spend $49 on my Amex and get 9 miles, use the Mastercard still get just 5 miles
We prefer to use the Amex since it now gives us miles at other grocery stores (not the loblaws chain obviously)
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